What is a family preference category? Qualified relatives of a U.S. citizen or permanent resident who are not known as an immediate relative may have to wait for a visa to become available before they can apply for permanent residency. These categories are known as Preference Categories and include:
Sedimentary rocks are formed by sediment that is deposited over time, usually as layers at the bottom of lakes and oceans. This sediment can include minerals, small pieces of plants and other organic matter. The sediment is compressed over a long period of time before consolidating into solid layers of rock. Sedimentary rocks forms layers called strata which can often be seen in exposed cliffs.
Save. sedimentary /ËsÉdÉËmÉntÉri/ adjective. sedimentary. /ËsÉdÉËmÉntÉri/. adjective. Learner's definition of SEDIMENTARY. technical. : made from material that sinks to the bottom of a liquid: made from sediment. sedimentary layers/deposits. Sandstone is a sedimentary rock.[=a type of rock formed when sediments that were deposited in ancient times were pressed together and became hard]. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.edimentary layers/deposits. Sandstone is a sedimentary rock. [=a type of rock formed when sediments that were deposited in ancient times were pressed together and became hard]. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.